Wing Tom Brown sustained knee ligament damage in the club's penultimate game of the season, against Munster at Meggetland (3 May).
Tom does not require surgery and is expected to return to training around October, his comeback delayed by an operation to remove his appendix.
Full-back Jack Cuthbert sustained knee ligament damage while representing Scotland in the HSBC Sevens World Series in London (11 May). Fortunately Jack does not require surgery and is expected to return around September.
Back-row Mike Coman and prop Willem Nel have had surgery to correct ongoing knee complaints and are expected to be available for selection around September.
Centre Matt Scott has had surgery to correct the injury endured when he dislocated his shoulder against Leinster in the last game of the season (10 May). He is expected to be available for selection around December.
Finally, prop Allan Dell has had surgery to repair a torn pectoral muscle and is expected to be available for selection around October.
Guinness PRO12
Suite 208, Alexandra House,
The Sweepstakes
Ballsbridge, Dublin 4, Ireland